[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.10.06"]
[Round "15"]
[White "Krogius, Nikolai V"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d6 11. b3 Bf6 12. Bb2 c5 1/2-1/2